-64.29% is the change from 238 to 85
Calculation steps:
[( 85 - 238 ) ÷ 238] x 100 = -64.29%
Formula
Percentage change = [(85 - 238) / 238] x 100
Subtract the new number by the original number
85 - 238 = -153
-153 ÷ 238 = -0.6428571428571429
-0.6428571428571429 x 100 = -64.29%